| 摘要 |
A metal phosphate composite having a composition represented by the formula M1 x M2 1-x (H w P y O z ) (wherein M1 represents at least one element selected from the group consisting of tin, titanium, zirconium, silicon, and germanium, M2 represents an element having a valence of 3, and x, w, y, and z satisfy the following relationship, 0.5‰ x <1, 0‰ w, 2<y<10, and 0<z<35). |
